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Help v30 won't boot, not sure what to replace

@ocnbrze Thank you good sir. If it's not so unheard of then maybe I'll give it a go.

@Dannydet Thank you, I am aware of how to work google photos, but I do appreciate that not all do, and have it set up for her again on her new phone, so she has at least some of her old pictures. The possibility of pictures is only 1 reason to fix it. There's also the matter of not needing to have bought a phone at full price. Plus if she does choose to keep the new phone, having this one working would let us trade it in during a promotional trade in deal making it worth a couple hundred dollars.

Don't apply this wallpaper

As I understand it, the problem is due to the way that Android converts from one colour space to another. Apparently there's a single pixel in that image that causes a rounding error giving a colour value >255. And there's no OnSizeError try/catch, or IF Color_value > 255 Colour value = 255 Endif' to prevent a crash.

RCA Viking Pro tablet slow start-up

Will a factory reset install a later OS?

No. A factory reset only clears the user data partition. Whatever OS you have installed at the time of reset will be the OS you have after the reset. However, that "optimizing" message you see is the OS recompiling apps after an OS update and should only happen once. The fact that you are seeing it with every boot means something's gone wrong with an app ... possibly a system app. I would first clear the cache's for all your apps and then clear the system cache. Then reboot. You will most likely see the message again, but then reboot a second time and it should be gone. If not, a factory reset might be in order.

Help ES file explorer will not open photo on sd card unless file is renamed

ES FILE EXPLORE IS BEST
No, it's not--and there's really no need to SHOUT at us.
AND FAMOUS PERFORMANCE ALSO GOOD
Oh, it's famous, alright! Famous for its continuous phoning home to China, with lots of the innocent user's personal data.
WHY TRY ANOTHER?
Because there are better apps, without the privacy invasions.

My hands-down favorite is MiXplorer Silver, which has features ES never even dreamed of. :o

It's so good, and its features so powerful, I can now do various tasks on my Linux computers with my phone, tasks that used to involve writing/running scripts on the computers. That alone makes it better than the privacy-breaching ES! :D

Rooting my phone not working

@Hadron is correct, twrp flashes .zip format. If you're attempting to flash a .img file it will need to be placed within zip format. For instance the first picture below is a custom kernal developed for my Samsung N4. The second picture is what is inside the .zip and as you can see there's the boot.img. . All TWRP flash-able .zips require a META-INF folder as part of the .zip, otherwise you'll get a fail to install.




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Screenshot_2020-06-15-06-12-20.png


If you downloaded the .img in .zip format was it to internal or external sd? Try using a file manager to move copy it to the root of your external sd. Look to your download folder.

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